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The Engineering Toolbar
The Ultimate Resource for Engineering and Technical Research. (Learn More) |
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RFID is a means of sharing information by radio waves. RFID tags include an antenna that transmits and receives information. There are two types of RFID tags: passive and active. Passive tags are quite small. They do not have their own power supplies, so they cannot transmit much data. They are generally applied via a small adhesive sticker and are used for tracking and anti theft applications. Active chips are larger and more versatile. They have their own power supply and can last for years. Products & Services
Label, tag and nameplate services design and manufacture labels, tags, nameplates and related products for identification, inventory control, packaging, decoration, and regulatory compliance. Companies produce serial number plates, instruction labels, RFID tags, shipping and packaging labels, company logos, decals, fleet wraps, barcode labels, and other forms of identification for products that require the display of alphanumeric or graphical images.
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Learn more about Label, Tag and Nameplate Services
Hydraulic seals and pneumatic seals include piston seals, rod seals, U-cups, vee, cup, and flange packings.
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Learn more about Hydraulic Seals and Pneumatic Seals
Inflatable seals are elastomeric tubes designed to round out with the introduction of a medium (usually air) to form an tight barrier between a mounting and striking surface.
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Oil seals and grease seals have a flexible lip that rubs against a shaft or housing to prevent the leakage or ingress of fluids and dirt.
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Learn more about Oil Seals and Grease Seals
Switch boots protect switches from contaminants such as dirt, dust, gas, and liquids. They are generally tough, pliable silicone rubber devices for toggle, pushbutton, rocker and rotary switches.
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Learn more about Switch Boots
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Topics of Interest
Situation: When WARNER ELECTRIC set about designing their Bronco AC Motor Controller, (Figure 1) they knew their product would need to withstand a wide variety of harsh industrial conditions and...
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3.9 References
D.E. Johnston, Design aspects of modern rotary shaft seals , Proc. I.Mech.E., Vol. 213, Part J, 1999.
E.T. Jagger, Rotary shaft seals: the sealing mechanism of synthetic...
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Toggle boot covers protect switches against dirt and moisture and are recommended for use on construction and agricultural vehicles, boats and many other applications.
Cole Hersee boot covers are made...
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3.2 Lip Seals
The lip seals currently used for sealing rotary shafts have evolved from the lip seals made from leather used during the 1930s. The development was largely empirical for some 50 years...
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Outside of the regulating element, ball control valves are similar
in many regards to butterfly control valves: quarter-turn motion,
rotary-action actuators, and packing boxes without wiper (lower)...
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